2020-2025
From January 2018 to December 2024, 75% of Lassa fever confirmed cases were from Ondo (33%), Edo (31%) and Bauchi (11%).
In 2025, as of epi week 9, 88% of LF cases are from Ondo (31%), Bauchi (24%), Edo (17%), and Taraba (16%) States.
Total confirmed cases: 535
Deaths from Confirmed Cases: 100
Case Fatality Ratio: 19%
Number of Health Care Workers: 17
| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 743 | 168 | 21 | 12.50% | ||||
| 2024 | 777 | 154 | 11 | 7.14% | ||||
| 2023 | 849 | 221 | 22 | 9.95% | ||||
| 2022 | 509 | 180 | 33 | 18.33% | ||||
| 2021 | 183 | 38 | 9 | 23.68% | ||||
| 2020 | 276 | 246 | 34 | 13.82% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 524 | 128 | 10 | 7.81% | ||||
| 2024 | 438 | 103 | 24 | 23.30% | ||||
| 2023 | 471 | 65 | 8 | 12.31% | ||||
| 2022 | 527 | 94 | 10 | 10.64% | ||||
| 2021 | 25 | 5 | 2 | 40.00% | ||||
| 2020 | 136 | 33 | 9 | 27.27% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 866 | 93 | 15 | 16.13% | ||||
| 2024 | 952 | 164 | 21 | 12.80% | ||||
| 2023 | 1099 | 196 | 24 | 12.24% | ||||
| 2022 | 808 | 143 | 20 | 13.99% | ||||
| 2021 | 661 | 73 | 11 | 15.07% | ||||
| 2020 | 628 | 263 | 28 | 10.65% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 200 | 83 | 26 | 31.33% | ||||
| 2024 | 125 | 75 | 17 | 22.67% | ||||
| 2023 | 184 | 65 | 23 | 35.38% | ||||
| 2022 | 49 | 22 | 9 | 40.91% | ||||
| 2021 | 43 | 16 | 9 | 56.25% | ||||
| 2020 | 54 | 42 | 17 | 40.48% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 72 | 17 | 8 | 47.06% | ||||
| 2024 | 149 | 38 | 19 | 50.00% | ||||
| 2023 | 116 | 37 | 19 | 51.35% | ||||
| 2022 | 141 | 29 | 10 | 34.48% | ||||
| 2021 | 57 | 11 | 3 | 27.27% | ||||
| 2020 | 93 | 55 | 11 | 20.00% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 59 | 14 | 4 | 28.57% | ||||
| 2024 | 84 | 27 | 1 | 3.70% | ||||
| 2023 | 25 | 9 | 1 | 11.11% | ||||
| 2022 | 46 | 23 | 6 | 26.09% | ||||
| 2021 | 3 | 0 | 0 | – | ||||
| 2020 | 53 | 27 | 8 | 29.63% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 42 | 11 | 6 | 54.55% | ||||
| 2024 | 20 | 3 | 1 | 33.33% | ||||
| 2023 | 23 | 6 | 0 | 0.00% | ||||
| 2022 | 75 | 12 | 6 | 50.00% | ||||
| 2021 | 2 | 0 | 0 | – | ||||
| 2020 | 14 | 5 | 1 | 20.00% | ||||
Source: NCDC |
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| Years | Suspected cases | Confirmed cases | Deaths | CFR | ||||
|---|---|---|---|---|---|---|---|---|
| 2025 | 42 | 11 | 6 | 54.55% | ||||
| 2024 | 20 | 3 | 1 | 33.33% | ||||
| 2023 | 23 | 6 | 0 | 0.00% | ||||
| 2022 | 75 | 12 | 6 | 50.00% | ||||
| 2021 | 2 | 0 | 0 | – | ||||
| 2020 | 14 | 5 | 1 | 20.00% | ||||
Source: NCDC |
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Any questions or suggestions? Contact us: Anaïs Legand and Antoine Chaillon
As of 2025, week 9